1 files changed, 185 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
new file mode 100644
index 0000000000..b2ca1beb6e
--- /dev/null
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qxcbnativeinterface.h"
+
+#include "qxcbscreen.h"
+
+#include <QtGui/private/qapplication_p.h>
+#include <QtCore/QMap>
+
+#include <QtCore/QDebug>
+
+#if defined(XCB_USE_EGL)
+#include "../eglconvenience/qeglplatformcontext.h"
+#elif defined (XCB_USE_DRI2)
+#include "qdri2context.h"
+#endif
+
+class QXcbResourceMap : public QMap<QByteArray, QXcbNativeInterface::ResourceType>
+{
+public:
+    QXcbResourceMap()
+        :QMap<QByteArray, QXcbNativeInterface::ResourceType>()
+    {
+        insert("display",QXcbNativeInterface::Display);
+        insert("egldisplay",QXcbNativeInterface::EglDisplay);
+        insert("connection",QXcbNativeInterface::Connection);
+        insert("screen",QXcbNativeInterface::Screen);
+        insert("graphicsdevice",QXcbNativeInterface::GraphicsDevice);
+        insert("eglcontext",QXcbNativeInterface::EglContext);
+    }
+};
+
+Q_GLOBAL_STATIC(QXcbResourceMap, qXcbResourceMap)
+
+void *QXcbNativeInterface::nativeResourceForWidget(const QByteArray &resourceString, QWidget *widget)
+{
+    QByteArray lowerCaseResource = resourceString.toLower();
+    ResourceType resource = qXcbResourceMap()->value(lowerCaseResource);
+    void *result = 0;
+    switch(resource) {
+    case Display:
+        result = displayForWidget(widget);
+        break;
+    case EglDisplay:
+        result = eglDisplayForWidget(widget);
+        break;
+    case Connection:
+        result = connectionForWidget(widget);
+        break;
+    case Screen:
+        result = qPlatformScreenForWidget(widget);
+        break;
+    case GraphicsDevice:
+        result = graphicsDeviceForWidget(widget);
+        break;
+    case EglContext:
+        result = eglContextForWidget(widget);
+        break;
+    default:
+        result = 0;
+    }
+    return result;
+}
+
+QXcbScreen *QXcbNativeInterface::qPlatformScreenForWidget(QWidget *widget)
+{
+    QXcbScreen *screen;
+    if (widget) {
+        screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(widget));
+    }else {
+        screen = static_cast<QXcbScreen *>(QApplicationPrivate::platformIntegration()->screens()[0]);
+    }
+    return screen;
+}
+
+void *QXcbNativeInterface::displayForWidget(QWidget *widget)
+{
+#if defined(XCB_USE_XLIB)
+    QXcbScreen *screen = qPlatformScreenForWidget(widget);
+    return screen->connection()->xlib_display();
+#else
+    Q_UNUSED(widget);
+    return 0;
+#endif
+}
+
+void *QXcbNativeInterface::eglDisplayForWidget(QWidget *widget)
+{
+#if defined(XCB_USE_DRI2) || defined(XCB_USE_EGL)
+    QXcbScreen *screen = qPlatformScreenForWidget(widget);
+    return screen->connection()->egl_display();
+#else
+    Q_UNUSED(widget)
+    return 0;
+#endif
+}
+
+void *QXcbNativeInterface::connectionForWidget(QWidget *widget)
+{
+    QXcbScreen *screen = qPlatformScreenForWidget(widget);
+    return screen->xcb_connection();
+}
+
+void *QXcbNativeInterface::screenForWidget(QWidget *widget)
+{
+    QXcbScreen *screen = qPlatformScreenForWidget(widget);
+    return screen->screen();
+}
+
+void *QXcbNativeInterface::graphicsDeviceForWidget(QWidget *widget)
+{
+#if defined(XCB_USE_DRI2)
+    QXcbScreen *screen = qPlatformScreenForWidget(widget);
+    QByteArray deviceName = screen->connection()->dri2DeviceName();
+    return deviceName.data();
+#else
+    Q_UNUSED(widget);
+    return 0;
+#endif
+
+}
+
+void * QXcbNativeInterface::eglContextForWidget(QWidget *widget)
+{
+    Q_ASSERT(widget);
+    if (!widget->platformWindow()) {
+        qDebug() << "QPlatformWindow does not exist for widget" << widget
+                 << "cannot return EGLContext";
+        return 0;
+    }
+    QPlatformGLContext *platformContext = widget->platformWindow()->glContext();
+    if (!platformContext) {
+        qDebug() << "QPlatformWindow" << widget->platformWindow() << "does not have a glContext"
+                 << "cannot return EGLContext";
+        return 0;
+    }
+#if defined(XCB_USE_EGL)
+    QEGLPlatformContext *eglPlatformContext = static_cast<QEGLPlatformContext *>(platformContext);
+    return eglPlatformContext->eglContext();
+#elif defined (XCB_USE_DRI2)
+    QDri2Context *dri2Context = static_cast<QDri2Context *>(platformContext);
+    return dri2Context->eglContext();
+#else
+    return 0;
+#endif
+}